<template>
  <div class="todo-header">
    <input
      type="text"
      v-model="title"
      placeholder="请输入你的任务名称，按回车键确认"
      @keyup.enter="addTodohandler"
    />
    {{ title }}
  </div>
</template>

<script setup lang="ts">
import { ref } from 'vue'
const title = ref<string>('')
const emit = defineEmits<{
  (e: 'addTodo', title: string): void
}>()
const addTodohandler = (): void => {
  const val = title.value.trim()
  emit('addTodo', val)
  title.value = ''
}
</script>

<style scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
    0 0 8px rgba(82, 168, 236, 0.6);
}
</style>
